Technology Process of 2-Hydroxyethyl (4S)-4-[4-cyano-2-(methylsulfonyl)phenyl]-3,6-dimethyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2,3,4-tetrahydropyrimidine-5-carboxylate
There total 7 articles about 2-Hydroxyethyl (4S)-4-[4-cyano-2-(methylsulfonyl)phenyl]-3,6-dimethyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2,3,4-tetrahydropyrimidine-5-carboxylate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
In
N,N-dimethyl-formamide;
at 70 ℃;
for 8h;
Inert atmosphere;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: N,N-dimethyl-formamide dimethyl acetal / N,N-dimethyl-formamide / Inert atmosphere; Reflux
1.2: 1 h / 20 °C
2.1: dimethyl sulfoxide / Cooling with ice
3.1: phosphorus pentoxide; triethyl phosphate / tert-butyl methyl ether / 50 °C / Inert atmosphere; Reflux
4.1: chiral silica gel phase based on the selector poly(N-methacryloyl-D-leucinedicyclopropylmethylamide) / ethyl acetate; isopropyl alcohol; tetrahydrofuran; 2-Methylpentane / 24 °C / Resolution of racemate
5.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.33 h / -78 °C / Inert atmosphere
5.2: 16 h / -78 - 20 °C / Inert atmosphere
6.1: morpholine / tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 16 h / 20 °C / Inert atmosphere
7.1: N,N-dimethyl-formamide / 8 h / 70 °C / Inert atmosphere
With
morpholine; triethyl phosphate; phosphorus pentoxide; N,N-dimethyl-formamide dimethyl acetal; lithium hexamethyldisilazane;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; 2-Methylpentane; tert-butyl methyl ether; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide; isopropyl alcohol;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: dimethyl sulfoxide / Cooling with ice
2.1: phosphorus pentoxide; triethyl phosphate / tert-butyl methyl ether / 50 °C / Inert atmosphere; Reflux
3.1: chiral silica gel phase based on the selector poly(N-methacryloyl-D-leucinedicyclopropylmethylamide) / ethyl acetate; isopropyl alcohol; tetrahydrofuran; 2-Methylpentane / 24 °C / Resolution of racemate
4.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.33 h / -78 °C / Inert atmosphere
4.2: 16 h / -78 - 20 °C / Inert atmosphere
5.1: morpholine / tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 16 h / 20 °C / Inert atmosphere
6.1: N,N-dimethyl-formamide / 8 h / 70 °C / Inert atmosphere
With
morpholine; triethyl phosphate; phosphorus pentoxide; lithium hexamethyldisilazane;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; 2-Methylpentane; tert-butyl methyl ether; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide; isopropyl alcohol;